Question

Write a program in to input and store all roll numbers, names and marks in 3 subjects of n number of students in five single dimensional arrays and display the remark based on average marks as given below:

Average marks = total marks/3

AVERAGE MARKS REMARK
85 – 100: EXCELLENT
75 – 84 :DISTINCTION
60 – 74 :FIRST CLASS
40 – 59 :PASS
Less than 40: POOR

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Code

import java.util.Scanner;

public class program6
{
	public static void main(String[] args)
	{
	        int i=0;
	        double average=0;
		Scanner sc = new Scanner(System.in);
		System.out.print("Enter number of students: ");
		int n = sc.nextInt();
		int[] rollNos = new int[n];
		String[] names = new String[n];
		int[] subject1 = new int[n];
		int[] subject2 = new int[n];
		int[] subject3 = new int[n];

		for (i = 0; i < n; i++)
		{
			System.out.println("Student " + (i + 1));
			System.out.print("Enter roll number: ");
			rollNos[i] = sc.nextInt();
			System.out.print("Enter name: ");
			sc.nextLine();
			names[i] = sc.nextLine();
			System.out.print("Enter marks in subject 1: ");
			subject1[i] = sc.nextInt();
			System.out.print("Enter marks in subject 2: ");
			subject2[i] = sc.nextInt();
			System.out.print("Enter marks in subject 3: ");
			subject3[i] = sc.nextInt();
		}
		for(i = 0; i < n; i++)
		{
			System.out.println( "Name : " + names[i]);
			System.out.println( "Roll Number : " + rollNos[i]);
			average= (subject1[i] + subject2[i] + subject3[i]) / 3;
			if (average >= 85 && average <= 100)
			{
				System.out.println("EXCELLENT");
			}
			else if(average >= 75 && average <= 84)
			{
				System.out.println("DISTINCTION");
			}
			else if (average >= 60 && average <= 74)
			{
				System.out.println("FIRST CLASS");
			}
			else if (average >= 40 && average <= 59)
			{
				System.out.println("PASS");
			}
			else if (average < 40)
			{
				System.out.println("POOR");
			}
		}
	}
}